Base | Representation |
---|---|
bin | 111010101000… |
… | …1010101110010 |
3 | 2010211211220221 |
4 | 1311101111302 |
5 | 30332214444 |
6 | 3014523254 |
7 | 522205312 |
oct | 165212562 |
9 | 63754827 |
10 | 30741874 |
11 | 16397909 |
12 | a36652a |
13 | 64a4877 |
14 | 4123442 |
15 | 2a73a84 |
hex | 1d51572 |
30741874 has 12 divisors (see below), whose sum is σ = 46527534. Its totient is φ = 15233904.
The previous prime is 30741839. The next prime is 30741877. The reversal of 30741874 is 47814703.
It can be written as a sum of positive squares in only one way, i.e., 27112849 + 3629025 = 5207^2 + 1905^2 .
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (30741877) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31782 + ... + 32734.
Almost surely, 230741874 is an apocalyptic number.
30741874 is a deficient number, since it is larger than the sum of its proper divisors (15785660).
30741874 is an equidigital number, since it uses as much as digits as its factorization.
30741874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1209 (or 1082 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 30741874 is about 5544.5355080475. The cubic root of 30741874 is about 313.2637285659.
The spelling of 30741874 in words is "thirty million, seven hundred forty-one thousand, eight hundred seventy-four".
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